// loadConfigs loads configuration from a file or stdin (piped).
// The configurations are grouped by bind address.
// Configuration is obtained from one of four sources, tried
// in this order: 1. -conf flag, 2. stdin, 3. command line argument 4. Caddyfile.
// If none of those are available, a default configuration is loaded.
func loadConfigs() (config.Group, error) {
// -conf flag
if conf != "" {
file, err := os.Open(conf)
if err != nil {
return nil, err
}
defer file.Close()
return config.Load(path.Base(conf), file)
}
// stdin
fi, err := os.Stdin.Stat()
if err == nil && fi.Mode()&os.ModeCharDevice == 0 {
// Note that a non-nil error is not a problem. Windows
// will not create a stdin if there is no pipe, which
// produces an error when calling Stat(). But Unix will
// make one either way, which is why we also check that
// bitmask.
confBody, err := ioutil.ReadAll(os.Stdin)
if err != nil {
log.Fatal(err)
}
if len(confBody) > 0 {
return config.Load("stdin", bytes.NewReader(confBody))
}
}
// Command line Arg
if flag.NArg() > 0 {
confBody := ":" + config.DefaultPort + "\n" + strings.Join(flag.Args(), "\n")
return config.Load("args", bytes.NewBufferString(confBody))
}
// Caddyfile
file, err := os.Open(config.DefaultConfigFile)
if err != nil {
if os.IsNotExist(err) {
return config.Default()
}
return nil, err
}
defer file.Close()
return config.Load(config.DefaultConfigFile, file)
}
// loadConfigs loads configuration from a file or stdin (piped).
// Configuration is obtained from one of three sources, tried
// in this order: 1. -conf flag, 2. stdin, 3. Caddyfile.
// If none of those are available, a default configuration is
// loaded.
func loadConfigs() ([]server.Config, error) {
// -conf flag
if conf != "" {
file, err := os.Open(conf)
if err != nil {
return []server.Config{}, err
}
defer file.Close()
return config.Load(path.Base(conf), file)
}
// stdin
fi, err := os.Stdin.Stat()
if err == nil && fi.Mode()&os.ModeCharDevice == 0 {
// Note that a non-nil error is not a problem. Windows
// will not create a stdin if there is no pipe, which
// produces an error when calling Stat(). But Unix will
// make one either way, which is why we also check that
// bitmask.
confBody, err := ioutil.ReadAll(os.Stdin)
if err != nil {
log.Fatal(err)
}
if len(confBody) > 0 {
return config.Load("stdin", bytes.NewReader(confBody))
}
}
// Caddyfile
file, err := os.Open(config.DefaultConfigFile)
if err != nil {
if os.IsNotExist(err) {
return []server.Config{config.Default()}, nil
}
return []server.Config{}, err
}
defer file.Close()
return config.Load(config.DefaultConfigFile, file)
}